//  Object   属性

var car = "Fiat";

var car = {name:"Fiat",model:500,color:"white"};

//  对象定义

var person = {firstName:"John",lastName:"Doe",age:50,eyeColor:"blue"};

var person = {
    firstName:"John",
    lastName:"Doe",
    age:50,
    eyeColor:"blue"
}

//   访问 对象属性
person.lastName;
person["lastName"];

//  访问对象方法
objectName.mathodName

